refactor!: Make the driver fully compatible with Appium 2

[mykola-mokhnach]

BREAKING CHANGES:

• The driver is not compatible with Appium 1 anymore

[mykola-mokhnach]

I wonder how many drivers we need to convert to use wdio... is it worth writing a codemod?

Basically all of them:

• xcuitest
• android
• uiautomator2
• espresso
• gecko
• safari
• windows